Click an upward pointing arrow.  Do not touch ANYTHING else
Click a house shape that has a big solid square on top of its roof
Now click a piece that looks like a mountain range, with exactly three peaks, on top

Outcome: successful
Speaker comments: That other partner actually listened to instructions and picked out three pieces.  By chance there were only three of them, and they were painfully easy to describe, based on how distinctive they are, but the bots recently have been too incompetent to even handle a round like this.  Was that a human participant thrown in as a quick test of the system?